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Oracle 1Z0-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

1. Which command revokes a user's privilege to update a table?

A) REVOKE UPDATE ON table_name FROM user_name;
B) DENY UPDATE ON table_name FROM user_name;
C) DELETE UPDATE ON table_name FROM user_name;
D) REMOVE UPDATE ON table_name FROM user_name;

2. Which of the following SQL commands retrieves data from a relational database?

A) INSERT
B) SELECT
C) UPDATE
D) DELETE

3. Which SQLPlus command displays defined substitution variable values?

A) VERIFY
B) SHOW
C) DEFINE
D) LIST

4. What does the INTERSECT operator do in SQL?

A) Returns rows that are present in both queries
B) Returns rows from the first query that are not present in the second query
C) Combines all rows from two queries without any conditions
D) Combines rows from two queries and includes all duplicates

5. Which SQL function can be used to replace NULL values with a specified value?

A) REPLACE
B) COALESCE
C) ISNULL
D) NVL

Solutions: